<template>
  <div class="login_container">
    <div class="SystemName">
      <span class="SystemNameText">ERP采购管理系统</span>
    </div>
    <div class="login_box">
      <!-- 头像区域 -->
      <div class="avatar_box">
        <img src="@/assets/logo.png" alt="">
      </div>
      <!-- 登录表单区域 -->
      <el-form ref="loginFormRef" :model="loginForm" :rules="loginFormRules" label-width="0px" class="login_form">
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input v-model="loginForm.username" prefix-icon="iconfont icon-user"></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input v-model="loginForm.password" prefix-icon="iconfont icon-3702mima" type="password"></el-input>
        </el-form-item>
        <!-- 按钮区域 -->
        <el-form-item class="btns">
          <el-button type="primary" @click="gologin">登录</el-button>
          <el-button type="info" @click="registered">注册</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
  import Account from '@/api/account'
  import { mapActions ,mapMutations} from 'vuex';
  export default {
    data() {
      return {
        // 这是登录表单的数据绑定对象
        loginForm: {
          username: 'admin',
          password: '123456'
        },
        // 这是表单的验证规则对象
        loginFormRules: {
          // 验证用户名是否合法
          username: [
            { required: true, message: '请输入登录名称', trigger: 'blur' },

          ],
          // 验证密码是否合法
          password: [
            { required: true, message: '请输入登录密码', trigger: 'blur' },
            // { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
          ]
        }
      }
    },
    methods: {
      // 点击重置按钮，重置登录表单
      resetLoginForm() {
        // console.log(this);
        // this.$refs.loginFormRef.resetFields()
      },
      ...mapMutations('user', ['login']),
      gologin() {
        let validate = false;
        this.$refs['loginFormRef'].validate((valid) => {
          if (valid) {
            validate = true;
          } else {
            console.log('error submit!!');
            validate = false;
            return false;
          }
        });
        if (validate === false) {
          return;
        }
        // this.$refs.loginFormRef.validate(async valid => {
        /* if (!valid) return
         const { data: res } = await this.$http.post('login', this.loginForm)
         if (res.meta.status !== 200) return this.$message.error('登录失败！')*/
        // this.$message.success('登录成功')
        // 1. 将登录成功之后的 token，保存到客户端的 sessionStorage 中
        //   1.1 项目中出了登录之外的其他API接口，必须在登录之后才能访问
        //   1.2 token 只应在当前网站打开期间生效，所以将 token 保存在 sessionStorage 中
        // 2. 通过编程式导航跳转到后台主页，路由地址是 /home
        // this.$router.push('/home')
        // })

        Account.login(
          {
            username:this.loginForm.username,
            password:this.loginForm.password,

          }
        )
          .then(res => {
            // 返回数据
            this.$message.success('登录成功')
            window.sessionStorage.setItem('token', res.token);
            this.login(res.data.userInfo)
            this.$router.push('/home');

          })
          .catch(err => {
            // 异常情况
          })
      },
      registered(){
        this.$router.push('/registered');
      }
    }
  }
</script>

<style scoped>
  .login_container {
    background-color: #2b4b6b;
    height: 100%;
  }
  .login_box {
    width: 450px;
    height: 300px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
  }
  .SystemName{
    position: absolute;
    left: 50%;
    top: 10%;
    transform: translateX(-50%);
    z-index: 29;
  }
  .SystemNameText{
    font-size: 30px;
    color: #f9fafc;
  }
  .avatar_box {
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
  }
  img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: #eee;
  }
  .login_form {
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
  }

  .btns {
    display: flex;
    justify-content: flex-end;
  }
</style>
